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3 years ago

Explain how to write an equation when given a

Mathematics

2 answers:

makkiz [27]3 years ago

8 0

Answer:

Find key words

Step-by-step explanation:

The first part is to find your key words like each or more than one of that will normally be you variable. Then your numbers follow the variable. If its comparing 2 things more than likely you will need and equal sign.

Hope this helped!

scoray [572]3 years ago

5 0

Answer:

Say you are wanting to build a patio in your back yard but you want to know how much space you'll have let over. You need to find the area of your back yard and then see how big your patio is going to be. So you find the area of you patio and substrate it from the area of the back yard.

Step-by-step explanation:

Lemme know if you need more details

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Solve x^2+ 4x =15 thxssss

dmitriy555 [2]

Answer:

x=3/5

Step-by-step explanation:

x^2+4x=5

x+4x=5x

5x+2=5

-2 -2

5x=3

divide 5 from each side

5/5x=3/5

x=3/5

7 0

3 years ago

Convert this rational number

Olegator [25]

Answer:

0.25

Step-by-step explanation:

1 divided by 4 = 0.25

8 0

3 years ago

Adam has the scatterplot shown for his data set, where snowfall is measured in inches, and he is trying to describe the line of

MissTica

Answer:

C) As the amount of snow increases, the number of accidents increases.

Step-by-step explanation:

An image showing the scatter plot is attached.

From the attached imaged, the scatter plot is a straight line which goes up along the X - Y axis.

X = snowfall

Y = accident

Since the scatter plot is going up increasingly for any value plotted; it means as the amount of snow increases, the number of accidents increases. That is, as X (snowfall) increases Y (accident) increases also.

3 0

3 years ago

14. Find mMK please :)

MrRissso [65]

Answer:

Step-by-step explanation:

11) strategy: since they tell us. indirectly, that the length of JK is the same as LM then we can set those two equal, solve for X and then.. when we have X we can figure out the lenght of JK and LM and then just divide that by 2 go get PK ( :0 Player Killer ??? no , not that PK)

solve JK and LM

3x + 23 =9x-19

42 = 6x

7 = x

now that we know x = 7 plug it into either equation to come up with the length of JK or LM . I'll pick JK just b/c it was 1st

3(7) + 23 = JK

21+23 = JK

44 = JK

now take half of 1/2*JK= 22 that is PK ( are you sure that 's not player killer?)

PK = 22

12) strategy: set the two arcs BG and GC equal and solve for X, then plug x into either equation and the multiply the answer by 2 to find arc AB

9x-20 = 5x + 28

4x = 48

X = 12

9(12) -20 = BG

88 = BG

2*88 + AB

176 = AB

13) done

14) strategy: find the angle at L, and that will also be the arc of MK

copy and past the below helpful trig functions into your computer

Use SOH CAH TOA to recall how the trig functions fit on a triangle

SOH: Sin(Ф)= Opp / Hyp

CAH: Cos(Ф)= Adj / Hyp

TOA: Tan(Ф) = Opp / Adj

copy and past the above :

use which ever trig function you want , we have all the sides of the triangle, I'll use CAH

Cos(Ф) = 9/15

Ф = arcCos(9/15)

Ф = 53.13010°

arc MK = 53.13010°

15) strategy: arc JK is just 2 times MK

2*MK = 106.26020°

arc MK = 106.26020°

16) find arc JPK strategy: JPK is just the remaining part of a full circle of 360 - MK = 253.7397°

arc JPK = 253.7397°

7 0

2 years ago

Express it in Scientific notation 48,800,000

Sidana [21]

Express it in Scientific notation

48,800,000.

The answer:

4.88 x 10⁷

5 0

3 years ago

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